Italy

We have been collectors since 1972, present as exhibitors at the main mineral exhibitions in Italy and some European ones (Sainte-Marie-Aux-Mines, Monaco, etc.), where you can find us to get to know us in person, exchange opinions, talk about our beloved minerals and, should the auctions end close to an exhibition, deliver your samples directly.

All proposed minerals, unless otherwise specified, are photographed using a strong light source, to better show the colors and details of the sample.
If you buy multiple minerals in the same auction, we will ship them together and you will only pay the higher shipping costs.

Auctions

Minerals Auction

Novo Horizonte, Bahia, Brazil, Brazil

CW1150 Very bright Rutilus on Hematite Crystal cluster - Height: 30 mm - Width: 8 mm- 10 g - (1)

Malad Quarry (Kandivali Quarry), Malad, Ward 38, Mumbai (Bombay), Mumbai District, Maharashtra,India, India

CW1156 Nice Girolite on Quartz Crystals on matrix - Height: 67 mm - Width: 47 mm- 98 g - (1)

Inca de Oro mining district, Atacama, Chile, Chile

CW0992 Interesting and unusual Gold with Pseudomalachite? Freeform - Height: 80 mm - Width: 45 mm- 178 g - (1)

Unified Mine, Cerro de Potosí (Cerro Rico), Potosí City, Potosí, Bolivia, Bolivia

CW1158 Very rare Phosphophyllite Crystal - Height: 17 mm - Width: 11 mm- 0 g - (1)

Sweetwater Mine, Ellington, Reynolds County, Missouri, USA, United States

CW1044 Huge Galena on Sphalerite Crystal on matrix - Height: 53 mm - Width: 61 mm- 389 g - (1)

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Quebec, Canada, Canada

CW0887 Beautiful combination of Analcime and Egirina on Natrolite Crystal cluster - Height: 83 mm - Width: 63 mm- 113 g - (1)

Telírio claim, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil, Brazil

CW1045 Lustrous Brasilianite on Albite with Muscovite Crystals on matrix - Height: 94 mm - Width: 71 mm- 202 g - (1)

Cavnic Mine, Cavnic, Maramureș County, Romania, Romania

CW1163 Very elegant Dolomite on Quartz Crystal cluster - Height: 150 mm - Width: 114 mm- 785 g - (1)

Mashamba West Mine, Sicomines copper-cobalt project, Mutshatsha, Lualaba, DR Congo, Congo

CW1167 Beautiful Cobaltodolomite with Kolwezite Crystals on matrix - Height: 81 mm - Width: 45 mm- 120 g - (1)

Virgem da Lapa, Minas Gerais, Brazil, Brazil

CW1162 Interesting Elbaite on Quartz Crystal cluster - Height: 97 mm - Width: 107 mm- 1480 g - (1)

Valais, Switzerland, Switzerland

CW1164 Large sample of Pericline with Diopside Crystal cluster - Height: 120 mm - Width: 87 mm- 674 g - (1)

Capurru Quarry, Osilo, Sassari Province, Sardinia, Italy, Italy

CW1107 Beautiful Amethyst on Calcite Crystals on matrix - Height: 92 mm - Width: 58 mm- 303 g - (1)

Searles Lake, San Bernardino Co., California, USA, United States

CW1170 Beautiful Halite Crystal cluster - Height: 95 mm - Width: 80 mm- 255 g - (1)

Saint-Salvy Mine, Saint-Salvy-de-la-Balme, Castres, Tarn, Occitanie, France, France

CW1089 Colorful Pyromorphite Crystals on matrix - Height: 89 mm - Width: 61 mm- 258 g - (1)

Leiping, Guiyang Co., Chenzhou, Hunan, China, China

CW0977 Interesting two generation Calcite sample Crystal cluster - Height: 160 mm - Width: 102 mm- 556 g - (1)

China, China

CW1022 Large sample of Quartz morion on Orthoclase Crystal cluster - Height: 210 mm - Width: 111 mm- 1871 g - (1)

Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico, Mexico

CW1021 Beautiful Hemimorphite with Calcite Crystals on matrix - Height: 185 mm - Width: 115 mm- 1510 g - (1)

Black Rock, Lawrence County Zinc Mining District, Lawrence County, Arkansas, USA, United States

CW1171 Aesthetic and interesting sample of Sphalerite and Chalcopyrite on pink Dolomite Crystal cluster - Height: 83 mm - Width: 67 mm- 340 g - (1)

Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí, Bolivia, Bolivia

CW0944 Very rare Paravauxite and Metavauxite on Vauxite Crystals on matrix - Height: 73 mm - Width: 48 mm- 35 g - (1)

Rio Grande do Sul, Brazil, Brazil

CW0830 Aesthetic Chalcedony with Quartz Crystal cluster - Height: 114 mm - Width: 70 mm- 355 g - (1)

Cuasso al Monte, Varese Province, Lombardy, Italy, Italy

CW1108 Interesting Amethyst with Chalcedony on Orthoclase Crystal cluster - Height: 76 mm - Width: 54 mm- 124 g - (1)

Brosso Mine, Calea, Lessolo, Metropolitan City of Turin, Piedmont, Italy, Italy

CW1169 Classic Siderite Crystals on matrix - Height: 93 mm - Width: 55 mm- 251 g - (1)

Chenzhou, Hunan, China, China

CW0707 Large three generation Calcite sample Crystal cluster - Height: 170 mm - Width: 170 mm- 2093 g - (1)

Zacatecas, Mexico, Mexico

CW1104 Rare Hyalite Crystals on matrix - Height: 53 mm - Width: 54 mm- 128 g - (1)

Serifos Island, Milos, South Aegean, Greece, Greece

CW0765 Classic Prasio Quartz Crystal cluster - Height: 58 mm - Width: 53 mm- 55 g - (1)

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Objects offered by Silvia's Crystals